Are Light Savers Beams of Light?

Daniel: Are light savers beams of light, actual, like light that just stands there and there? Or are they like some kind of material, like, you know, like a plasma bean tht. I guess weare talking about interacting things interacting. Like an electron will repel another tron. But electrons don't interact with each other directly. Le onthe podcast will be asking the question, two fu to bump into each other.